In this paper,Qi Yanhuai,an astronomer in the Qing dynasty,and his vertical direct east and west sun dials,transit instrument and celestial sphere instrument were studied in detail.
介绍了清代天文学家齐彦槐的生平及其制作的面东西日晷、中星仪和天球仪等天文仪器 ,进一步探讨了这些天文仪器的制作原理和使用方法 。
Techniques and Methods of Adjusting Sinosat-3 and China sat-6B Receivers;
接收鑫诺3号和中星6B两颗卫星设施的调试技巧与方法
It is an effective way to explain the year of observation of the four mid-season stars recorded in Yao Dian 《尧典》based on the principal of Precession.
利用岁差原理进行推算,是解决《尧典》四仲中星观测年代问题的有效途径。
Zhong Xing Jie ( Explanation of the Transits of Stars) , which was copied in the early Qing Dynasty, is a hand-copied collection of papers and illustrations on astronomy and geography.
清初抄辑本"中星解"是一些关于天文和地理的短文与图的汇编,是一本中西兼容的资料。